文献类型： 外文期刊

作者： Zhang, J. F. ¹ ; Li, J. ¹ ; Xie, J. M. ¹ ; Yu, J. H. ¹ ; Dawuda, M. M. ¹ ; Lyv, J. ¹ ; Tang, Z. Q. ¹ ; Zhang, J. ¹ ; Zhang, ¹ ;

作者机构： 1.Gansu Agr Univ, Coll Hort, Lanzhou 730070, Peoples R China

2.Gansu Acad Agr Sci, Vegetable Inst, Lanzhou 730070, Peoples R China

3.Univ Dev Studies, FoA, Dept Hort, POB 1882, Tamale, Ghana

关键词： chilling injury index; chlorophyll fluorescence; pigment content

期刊名称：PHOTOSYNTHETICA （ 影响因子：3.189； 五年影响因子：3.38 ）

ISSN： 0300-3604

年卷期： 2020 年 58 卷 1 期

页码：

收录情况： SCI

摘要： Light and temperature are two major factors for plant growth. Carotenoids are important photoprotective and light-harvesting pigments in photosynthetic organs. Therefore, this study explored photosynthesis and carotenoid-related metabolism under control (CK), low-light (L), and low-temperature and low-light (LL) conditions by using the pepper (Capsicum annuum L.) varieties Longjiao 5 and Hangjiao 4. We found the increased inhibition of plant growth and photosynthetic capacity under both L and LL stress. Meanwhile, carotenoid-related metabolic compounds accumulated in pepper showed different responses to the two stresses. Significantly, zeaxanthin contents were 6.69-8.88 times higher under LL than that of CK, alpha-carotene contents were 0.9-2.1 times higher under L than that of CK, which may enhance the tolerance to LL and L. Our findings provide a foundation for further research on the molecular mechanism of carotenoid functions regarding L and LL tolerance by regulating photosynthesis.